4 
Psyche 
[Mar. 
is developed on tlie venter into two elongate processes, 
the larger (first) process is trifid, with two extra teeth 
developed near base (Fig. 2b). The aedeagus is very 
complex in structure and possesses numerous points and 
processes. Length : Body, 4.5-5.0 mm. ; female, 6.0 mm. 
Female unknown. 
Holotype male: Canal Zone, Barro Colorado, July 13, 
1924 (N. Banks). One paratype male, same locality and 
collector, June 20, 1924. 
Type (M.C.Z. No. 27711) returned to the Museum of 
Comparative Zoology. Paratype deposited in the United 
States National Museum Collection. 
Dorilas (Eudorylas) spinosus n. sp. 
(Figs. 3a-c) 
This species keys out near D. stygius n. sp. but is readily 
distinguished by the presence of apical spurs or spines on 
the femora and first two pairs of tibiae, the long acuminate 
third antennal segment and bare propleura. 
Female. Head: Front equal in width to the face. 
Upper third of the front shining black, lower portion gray- 
ish with a narrow median black line extending about one- 
half the length of the front. Face and most of occiput 
gray, upper portion of occiput blackish. Moutliparts and 
first two antennal segments brown, third segment yellow, 
long acuminate and covered with long pale pubescence 
(Fig. 3a). Tho rax: Mesonotum chiefly polished black, 
lightly brownish in the middle and gray just inside the 
humeri. Scutellum subshining, lightly brownish polli- 
nose. Pleura brownish in color, densely gray pollinose. 
Humeri, tegulae and lialteres yellow. Propleura bare, 
dorsocentral and scutellar hairs very small and incon- 
spicuous. Legs: Yellow red in color except for brownish 
coxae, apical subsegments of tarsi and slight discolorations 
at middles of hind femora. Femora slender, no flexor 
spines on hind pair. Middle femora each with eight to ten 
pairs of small flexor spines beneath, front femora with 
three pairs. All femora with a pale yellow apical spur- 
like process below (Fig. 3b), this fits into a grooved out 
portion of the tibia base when the leg is folded. Front 
